Home / 1,089,490,816.80-1,634,236,225.20-1,005,310,562.40

Finding the Fourth Proportional to 1,089,490,816.80, 1,634,236,225.20 and 1,005,310,562.40

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Solution

The fourth proportional to 1,089,490,816.80, 1,634,236,225.20 and 1,005,310,562.40 is: 1,507,965,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,490,816.80 : 1,634,236,225.20 = 1,005,310,562.40 : x
  2. Step 2: Convert to fraction form
    1,089,490,816.80/1,634,236,225.20 = 1,005,310,562.40/x
  3. Step 3: Cross multiply
    1,089,490,816.80x = 1,634,236,225.20 × 1,005,310,562.40
  4. Step 4: Simplify right side
    1,089,490,816.80x = 1,642,914,938,650,265,088
  5. Step 5: Solve for x
    x = 1,642,914,938,650,265,088/1,089,490,816.80
  6. Step 6: Final answer
    x = 1,507,965,843.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.